Metal Gear Solid: Peace Walker is the latest portable entry in the Metal Gear franchise, and the second canonical Metal Gear title produced for the PSP. Set in Costa Rica, Peace Walker puts you in control of Big Boss once again as he prepares the rise of Outer Heaven.

@Hizang: Yeah, if this is after the Peace Walker fight, you still have more work to do. I agree though, I really liked that ending. (Though there hasn't been a Metal Gear Solid whose ending I didn't like)